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This fish is of minor importance as a food fish in addition to its use as an aquarium fish. In an aquarium, the disk tetra grows to 40 cm (16 in). It prefers a pH of 5.0 to 7.0 and a temperature of 23 to 27°C (73 to 81°F). They are related to pacus and piranhas. They primarily eat fruits, small fish, crustaceans, clams, and snails. This fish is capable of delivering serious bites.[2]